Developers First

import { FlagVault } from '@flagvault/js-sdk';

const fv = new FlagVault({
  apiKey: 'your-api-key',
  environment: 'production'
});

// Check a boolean flag
const newFeatureEnabled = await fv.isEnabled('new-feature');

if (newFeatureEnabled) {
  // Show new feature
  console.log('New feature is enabled!');
}

// Get rollout percentage
const rollout = await fv.getRollout('gradual-feature');
console.log(`Feature enabled for ${rollout}% of users`);

from flagvault_sdk import FlagVault

fv = FlagVault(
    api_key="your-api-key",
    environment="production"
)

# Check a boolean flag
new_feature_enabled = fv.is_enabled("new-feature")

if new_feature_enabled:
    # Show new feature
    print("New feature is enabled!")

# Get rollout percentage
rollout = fv.get_rollout("gradual-feature")
print(f"Feature enabled for {rollout}% of users")